# Nest vs KNOX

The clearest difference is in-app purchases: KNOX at none against Nest's 2. KNOX also leads on iOS requirement (15.1 vs 18). Nest's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Nest sells 2 in-app purchases, starting at $2.99 per 7 days. KNOX asks for nothing beyond the download.

Nest ships an update weekly, KNOX every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Nest | KNOX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 24 MB | 55 MB |
| Requires iOS | 18 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bahattin Duran](https://appshunter.io/developer/1677311418) | [Momence, Inc.](https://appshunter.io/developer/1577856011) |

## What reviewers say

### Nest

[App page](https://appshunter.io/ios/app/nest-pregnancy-tracker/id6767188068)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nest Premium — Weekly | $2.99 | per 7 days |
| Nest Premium — Monthly | $6.99 | per month |


### KNOX

[App page](https://appshunter.io/ios/app/knox/id6774531282)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nest free?

Nest is free to download, with in-app purchases available.

### Is KNOX free?

KNOX is free to download, with no in-app purchases.

### Do Nest or KNOX have ads?

Neither Nest nor KNOX shows ads.

### Which is updated more often, Nest or KNOX?

Nest ships an update weekly, and KNOX every 2 months. Most recently, Nest was updated on October 28, 2026 and KNOX on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*